IP Library Granted Patent US 12,433,334
Granted Patent B2
US 12,433,334 · App. 17/686,009 · Granted Oct 7, 2025

Fuel cell powered vaporizer device

Inventors: Jie Guan (Morgan Hill, CA); Val Valentine (San Francisco, CA); Qingcheng Zeng (San Jose, CA)
Assignee: JUUL Labs, Inc.
A24F40/42A24F40/44A24F40/46
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Quick Facts
Patent No.
US 12,433,334
App. No.
17/686,009
Granted
Oct 7, 2025
Kind
B2
Abstract

A vaporizer device includes a fuel cell disposed with a device body and configured to receive a cartridge having a first compartment that holds a vaporizable material, a second compartment that holds a fuel, a heating element, and a wicking element that can draw the vaporizable material to the heating element to be vaporized. The vaporizer cartridge is configured for fluidically, thermally, and/or electrically coupling to a vaporizer device body. Various implementations of the vaporizer cartridge are described that include one or more features for a fuel cell within the cartridge.

Claims (48)

1. A cartridge for a vaporizer device, the vaporizer device having a fuel cell, the cartridge comprising:

a first compartment having a vaporizable material disposed therein, the vaporizable material comprising a nicotine formulation;

a second compartment configured to hold a fuel;

an outlet fluidically coupled to the second compartment and configured to deliver the fuel from the cartridge to the fuel cell; and

a vaporization chamber in fluid communication with the first compartment, the vaporization chamber configured to vaporize the vaporizable material included in the first compartment when the fuel from the second compartment is delivered to the fuel cell.

2. The cartridge of claim 1 , wherein a level of the vaporizable material is visible through a transparent portion of the first compartment.

3. The cartridge of claim 1 , wherein a level of the fuel is visible through a transparent portion of the second compartment.

4. The cartridge of claim 1 , wherein the outlet is disposed at a first end of the cartridge.

5. The cartridge of claim 1 , further comprising:

a resistive heater disposed within the vaporization chamber.

6. The cartridge of claim 1 , further comprising:

a conductive heating element disposed within the vaporization chamber.

7. The cartridge of claim 6 , further comprising:

a cartridge thermal contact disposed on an outer surface of the cartridge, the cartridge thermal contact configured to conduct heat from the fuel cell to the cartridge.

8. The cartridge of claim 6 , further comprising:

a cartridge thermal contact disposed in a recessed portion of the cartridge to conduct heat from the fuel cell to the cartridge.

9. The cartridge of claim 1 , further comprising:

a wick having a first portion fluidically coupled to the first compartment and a second portion fluidically coupled to the vaporization chamber, the wick configured to transport the vaporizable material into the vaporization chamber.

10. The cartridge of claim 1 , wherein the second compartment further comprises:

an expansion chamber configured to reduce a pressure buildup.

11. The cartridge of claim 1 , wherein the fuel cell is a solid oxide fuel cell.

12. The cartridge of claim 1 wherein the fuel cell is a low temperature solid oxide fuel cell.

13. The cartridge of claim 1 wherein the fuel cell operates at a temperature less than or equal to 500 degrees Celsius.

14. The cartridge of claim 1 wherein the fuel cell operates at a temperature in the range of 270 to 290 degrees Celsius.

15. A cartridge for a vaporizer device, the vaporizer device having a fuel cell, the cartridge having a first end and a second end that is opposite the first end, the cartridge comprising:

a first compartment configured to hold a vaporizable material;

a second compartment configured to hold a fuel;

an outlet fluidically coupled to the second compartment and configured to deliver the fuel to the fuel cell;

a vaporization chamber in fluid communication with the first compartment, the vaporization chamber configured to vaporize the vaporizable material included in the first compartment when the fuel from the second compartment is delivered to the fuel cell; and

a mouthpiece disposed at a second end of the cartridge, and wherein the second end is opposite to the first end.

16. The cartridge of claim 15 , further comprising:

a cannula to fluidically couple the vaporization chamber to the mouthpiece.

17. The cartridge of claim 15 , wherein the vaporization chamber is disposed within the mouthpiece.

18. The cartridge of claim 15 , further comprising:

a cartridge electrical contact disposed on an outer surface of the cartridge, the cartridge electrical contact configured to conduct heat from the fuel cell to the cartridge.

19. A vaporizer device comprising:

a saturated media having a vaporizable material disposed therein, the vaporizable material comprising a nicotine formulation;

a fuel compartment configured to hold a fuel; and

a fuel cell in thermal contact with the saturated media and configured to produce heat transferrable to a vaporizable material,

wherein the fuel compartment comprises an outlet fluidly coupled to the fuel cell and configured to deliver the fuel from the fuel compartment to the fuel cell.

20. A vaporizer device comprising:

a body comprising a fuel cell; and

a cartridge separably coupled to the body, the cartridge comprising:

a first compartment having a vaporizable material disposed therein, the vaporizable material comprising a nicotine formulation;

a second compartment configured to hold a fuel;

an outlet fluidically coupled to the second compartment and configured to deliver

the fuel to the fuel cell; and

a vaporization chamber in fluid communication with the first compartment, the vaporization chamber configured to vaporize the vaporizable material included in the first compartment when the fuel from the second compartment is delivered to the fuel cell.

Assignments (8)
RELEASE OF SECURITY INTEREST Recorded Oct 17, 2024
From: ALTER DOMUS (US) LLC
To: JUUL LABS, INC.; VMR PRODUCTS LLC; ENVENIO INC.
Reel/Frame 069185/0228 →
SECURITY INTEREST Recorded Jul 11, 2023
From: JUUL LABS, INC.; VMR PRODUCTS LLC; ENVENIO INC.
To: ALTER DOMUS (US) LLC
Reel/Frame 064252/0225 →
CORRECTIVE ASSIGNMENT TO CORRECT THE THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED AT REEL: 062114 FRAME: 0196. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Dec 23, 2022
From: JUUL LABS, INC.
To: JLI NATIONAL SETTLEMENT TRUST
Reel/Frame 062214/0142 →
SECURITY INTEREST Recorded Dec 10, 2022
From: JUUL LABS, INC.
To: JLI NATIONAL SETTLEMENT TRUST
Reel/Frame 062114/0195 →
RELEASE OF SECURITY INTEREST Recorded Oct 3, 2022
From: CORTLAND CAPITAL MARKET SERVICES LLC
To: JUUL LABS, INC.
Reel/Frame 061282/0887 →
SECURITY INTEREST Recorded Sep 30, 2022
From: JUUL LABS, INC.
To: ALTER DOMUS (US) LLC
Reel/Frame 061578/0865 →
SECURITY INTEREST Recorded Jun 30, 2022
From: JUUL LABS, INC.
To: CORTLAND CAPITAL MARKET SERVICES LLC
Reel/Frame 060376/0271 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 28, 2022
From: GUAN, JIE; VALENTINE, VAL; ZENG, QINGCHENG
To: JUUL LABS, INC.
Reel/Frame 059760/0577 →
Continuity (3)
Continuation PCTUS2020049106 · Sep 3, 2020
Provisional Application 62895116 · Sep 3, 2019
Related Publication 20220183359A1 · Jun 16, 2022
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